Ciclul Menstrual Normal Flashcards

1
Q

Faza foliculara FSH

A

Stimuleaza cresterea foliculilor ovarieni (celulele de granuloasa) care vor secreta estradiol

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2
Q

Faza foliculara estradiol

A

Induce proliferarea endometriala

Stimuleaza sinteza de FSH si LH prin feedback pozitiv exercitat asupra hipofizei

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3
Q

LH -rol

A

Peak declanseaza ovulatia

Conversia colesterolului in pregnenolona - cel ovariene tecale

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4
Q

FSH - rol

A

Dezv foliculilor ovarieni

Activ celulelor din granuloasa ovarului, controland sinteza estrogenilor

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5
Q

Estrogeni - estradiol, estriol

A
Stim prolif endometriala
Crestere foliculara
Induc peakul LH
Niv inalte inhiba secretia FSH
Rol principal in dezv sexuala
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6
Q

Progesteron -rol

A
Dezv glandelor endometriale
Inhiba contractilitatea uterina
Creste consistenta mucusului cervical
Creste temp baz
Inhiba LH si FSH
Scaderea niv - aparitia menstruatiilor
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7
Q

hCG - rol

A

LH- like dupa implantarea ovocitului fertilizat

Mentine viabilitatea corpului galben si secretia de progesteron

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8
Q

Faza luteala

A

Peak LH - ovulatie
Corp galben - estradiol + progesteron pt a mentine endometrul pt o eventuala nidatie si induce dezv ductelor secretorii
Niv inalte de estradiol inhiba FSH si LH
Corpul galben degenereaza- scad niv progesteron si estradiol - menstruatia

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9
Q

Fertilizarea

A

Ovocitul se implanteaza in endometru
Sincitiotrof secreta hCG - mentine CG
CG continua sa secrete progesteron - 8-12 sapt

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